Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus)
Multifamily Housing in New York City, NY · 70,80,90,100,110 Lasalle Street, 501, 549 West 123 Street) · 10027
At a glance
Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus) is a 1,238,160-square-foot multifamily housing building at 70,80,90,100,110 Lasalle Street, 501, 549 West 123 Street) in New York City, New York, built in 1956. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 60 out of 100 (grade C), a site energy-use intensity of 77.1 kBtu/ft² and 6,448 tCO₂e of greenhouse-gas emissions. That score is higher than 41% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 60 (band C) |
| Site EUI | 77.1 kBtu/ft² |
| Source EUI | 112.4 kBtu/ft² |
| GHG emissions | 6,448 tCO₂e |
| GHG intensity | 5.2 kgCO₂e/ft² |
| Electricity | 6,517,605 kWh |
| Natural gas | 732,154 therms |
| Gross floor area | 1,238,160 sq ft |
| Source record | nyc:3120729:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 60 | -4 | 77.1 kBtu/ft² | 6,448 tCO₂e |
| 2023 | 64 | -4 | 72.7 kBtu/ft² | 6,159 tCO₂e |
| 2022 | 68 | 77.1 kBtu/ft² | 6,041 tCO₂e |
Compliance context
Local Law 84 (LL84)
Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 70,80,90,100,110 Lasalle Street, 501, 549 West 123 Street)
- City
- New York City
- State
- New York
- ZIP
- 10027
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in New York City · biggest emitters
How does Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus) compare with other multifamily housing buildings in New York City?
The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus)'s ENERGY STAR score of 60 compares with an average of 63 across the 22,829 that report a score; it scores higher than 41% of them and lower than 58%. Its site EUI of 77.1 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 5.2 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 1,238,160 sq ft, it is about 1127% above the average floor area of 100,951 sq ft for those buildings. It was built in 1956, 4 years later than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus)'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus), covering report years 2022–2024. Its ENERGY STAR score went from 68 in 2022 to 60 in 2024 (-8 points); its best year on file was 2022, at 68. Site EUI moved from 77.1 kBtu/ft² (2022) to 77.1 kBtu/ft² (2024), an 0% increase. Reported emissions went from 6,041 tCO₂e to 6,448 tCO₂e over the same span (up 7%).
What does an ENERGY STAR score of 60 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 60 means the building performs better than about 60% of its national peers. BuildingCensus bands the score into report-card grades; 60 falls in band C — below median (55–69). It sits 15 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% of scored buildings are at 75 or above.
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus)'s 77.1 kBtu/ft² across 1,238,160 sq ft works out to about 95.5 billion Btu (27,977 MWh-equivalent) in 2024. Its source EUI of 112.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 6,517,605 kWh of electricity and 732,154 therms of natural gas for the year.
Which law requires Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus) to report its energy use?
Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus) reports under Local Law 84 (LL84), the legal basis of New York City's Energy and Water Data Disclosure program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record nyc:3120729:2024). Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
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Frequently asked questions
What is Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus)'s energy grade?
Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus) scores 60 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus) use?
Its 2024 site energy-use intensity was 77.1 kBtu/ft² (112.4 kBtu/ft² source) across 1,238,160 sq ft, including 6,517,605 kWh of electricity and 732,154 therms of natural gas.
What are Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus)'s carbon emissions?
Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus) reported 6,448 tCO₂e of greenhouse-gas emissions (5.2 kgCO₂e/ft²) for 2024.
Where is Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus)?
Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus) is at 70,80,90,100,110 Lasalle Street, 501, 549 West 123 Street), in New York City, New York 10027.
How big is Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus) and when was it built?
Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus) has 1,238,160 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1956 as its year built. It is classed as multifamily housing.
Is Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus) covered by Local Law 84 (LL84)?
Yes — it appears in the 2024 Energy and Water Data Disclosure disclosure, which lists the buildings reporting under Local Law 84 (LL84).
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About this data
Source: Energy and Water Data Disclosure (Local Law 84 (LL84)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Morningside Heights Housing (Lasalle St and West 123rd Street) (Campus), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/morningside-heights-housing-lasalle-st-and-west-123rd-street-campus-1d49d9da (data as of October 2, 2026).